4
HiTESTER 3258 measurement principle
❏
Measurements with traditional non-metallic-contact voltmeters and phase detectors
depend on the coupling capacitance (C1 and C2) between voltage detector electrodes in
the probe tips and the measurement objects. That voltage detection method can present
problems due to the dependence of the coupling capacitance on the material properties
of the measurement objects, making accurate voltage determination (Vm = Vm2 - Vm1)
problematic.
The
employs a new technological principle to detect
SAFETY HiTESTER 3258
accurate measurement voltage (Vm) independent of coupling capacitance.
■ Model 3258 Specifications (accuracy guaranteed for one year at 23 ±5°C and 80% RH or less)
AC voltage (AC potential bridge)
Measurement parameter
Insulated electric lines (Indoor PVC or equivalent, 100 mm2 or larger),
metal conductors
Note: Not suitable for shielded cables
Measurement objects
True RMS display
Measurement values
Max. rated voltage to earth
Circuit dynamics
600 Vrms AC
Crest factor 1.8 (sine wave only at 600 V range)
0.05% rdg./°C
Temp. characteristics
Effect of conductor diameter
Effect of nearby conductors
Effect of external magnetic field
Display
0.5% rdg. (add to measurement accuracy for 38 to 100 mm2 insulated cables)
±5% rdg. or less
none
4200 counts, with less than 10 counts zero-suppressed
Approx. once every 0.6 seconds
2.4 s or less
Display refresh rate
Display response time
Functions
Data Hold, Auto Power Shutoff, Low-Battery Warning
0 to 40°C, 80% RH or less, non-condensating
-10 to 50°C, 80% RH or less, non-condensating
Indoors, up to 2000 m ASL
Operating temp. & humidity
Storage temp. & humidity
Operating environment
Applicable standards
Safety: EN61010, EMC: EN61326
Six AA (LR6) alkaline batteries
Max. operating time: approx. 14 h (power on, no input),
or the equivalent of 1000 one-minute operations or 200 five-minute operations
Power source
2 VA
Max. rated power
Size and weight
51W(2.01") × 275H(10.83") × 37.5D(1.48") mm (per probe),
Cable length: 900 mm (35.43"), 670 g (23.6 oz.) (including batteries)
AC Voltage Measurement Accuracy (on insulated PVC cables or equivalent, 100 mm2 or larger)
Accuracy
40 to 66 Hz 66 to 400 Hz
Ranges
(auto-ranging)
Displayable
range
Display
resolution
Range of guaranteed
accuracy
420.0 V
0.0 to 420.0 V
0.1 V
30.0 to 420.0 V
380 to 480 V
481 to 600 V
±1.5% rdg. ±5 dgt. ±2.5% rdg. ±5 dgt.
±2.0% rdg. ±5 dgt.
600 V
380 to 600 V
1 V
±5.0% rdg. ±5 dgt.
SAFETY HiTESTER 3258
Supplied Accessories: One manual, one soft case and six AA (LR6) batteries
Supplied Accessory: soft case
HIOKI (Shanghai) Sales & Trading Co., Ltd. :
1608-1610 Shanghai Times Square Office, 93 Huai Hai Zhong
Road, Shanghai, P.R.China POSTCODE: 200021
TEL +86-21-6391-0090/0092 FAX +86-21-6391-0360
E-mail: info-sh@hioki.com.cn
DISTRIBUTED BY
Beijing Office :
HEAD OFFICE :
A-2602 Freetown, 58 Dong San Huan Nan Road
Beijing, P.R.China POSTCODE: 100022
TEL +86-10-5867-4080/4081 FAX +86-10-5867-4090
E-mail: info-bj@hioki.com.cn
81 Koizumi, Ueda, Nagano, 386-1192, Japan
TEL +81-268-28-0562 / FAX +81-268-28-0568
E-mail: os-com@hioki.co.jp
Guangzhou Office :
HIOKI USA CORPORATION :
Room A-3206, Victory PlazaServices Center, No.103,
Tiyuxi Road, Guangzhou, P.R.China POSTCODE:510620
TEL +86-20-38392673/2676 FAX +86-20-38392679
E-mail: info-gz@hioki.com.cn
6 Corporate Drive, Cranbury, NJ 08512 USA
TEL +1-609-409-9109 / FAX +1-609-409-9108
E-mail: hioki@hiokiusa.com
All information correct as of Jan. 16, 2009. All specifications are subject to change without notice.
3258E2-91M-05P Printed in Japan
